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The suggested commands show your installed django version, not the code version. Check the requirements.txt cat src/requirements.txt | grep "Django==" or in your application's settings.py file, on the fifth line you'll see something like Generated by 'django-admin startproject' using Django x.x.x (for the user-specific question, the accepted answers are the way, but I found that this could ...
The Django issue tracker has the remarkable entry #5763, titled "Queryset doesn't have a "not equal" filter operator". It is remarkable because (as of April 2016) it was "opened 9 years ago" (in the Django stone age), "closed 4 years ago", and "last changed 5 months ago". Read through the discussion, it is interesting.
$ pip install django-better-choices. For those who are interested, I have created django-better-choices library, that provides a nice interface to work with Django choices for Python 3.7+. It supports custom parameters, lots of useful features and is very IDE friendly.
The question is specifically about building a query in Django to get records with field1 = 'value1' OR field2 == 'value2'. Your answer doesn't answer the question. Your answer doesn't answer the question.
DJANGO_DEVELOPMENT=true python manage.py runserver At the bottom of your settings.py file, add the following. # Override production variables if DJANGO_DEVELOPMENT env variable is true if os.getenv('DJANGO_DEVELOPMENT') == 'true': from settings_dev import * # or specific overrides (Note that importing * should generally be avoided in Python)
from django.core import serializers from django.http import HttpResponse def your_view(request): data = serializers.serialize('json', YourModel.objects.all()) return HttpResponse(data, content_type='application/json') Bonus for Vue Users. If you want to bring your Django Queryset into Vue, you can do the following. template.html
Gotta love Django, almost 10 years later and the answer is still valid! Thx +1 and drink on me.
Django querysets are lazy. That means a query will hit the database only when you specifically ask for the result. So until you print or actually use the result of a query you can filter further with no database access. As you can see below your code only executes one sql query to fetch only the last 10 items.
The normal way to start the Django server is to run the following command from a terminal or a bash script: python manage.py runserver [Ip.addr]:[port] e.g. python manage.py runserver 0.0.0.0:8000 How can I start a Django server from a Python script? One option is the following
from django.db.models import Count Item.objects.values("contest").annotate(Count("id")) I did not test this specific query, but this should output a count of the items for each value in contests as a dictionary.
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